Learn how to count! In this video, you will learn:

·         what is an unordered selection,

·         how to select groups and committees, with no particular order,

·         how to make unordered selections with restrictions,

·         how to select groups and then arrange them in a row or circle

·         apply these counting methods to probability

·         the Pigeon Hole Principle

 This topic is a part of the Extension 1 Mathematics Syllabus in NSW.